How do you graph the arithmetic sequence #a_n=5-2n#?

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Answer 1 · 2018-03-17T08:03:28

As below.

#y = mx + c# is the standard form of slope equation of a line.

Given #a_n = -2n + 5#

Slope of the line #m = -2#, y-intercept # = 5#

#a_1 = -2 + 5 = 3#

#a_2 = 5 - 4 = 1#

a_3 = 5 - 6 = -1#

#a_1 = 5, d = -2#

graph{-2x + 5 [-10, 10, -5, 5]}